CVE-2019-16781
CVE-2019-16781 · Stored cross-site scripting (XSS) in WordPress block editor
This page contains facts from public vulnerability sources. Check the original advisory before updating.
In WordPress before 5.3.1, authenticated users with lower privileges (like contributors) can inject JavaScript code in the block editor, which is executed within the dashboard. It can lead to an admin opening the affected post in the editor leading to XSS.
CVSS 5.8 · Medium · EPSS 1.6% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
wordpress
- Versions
- ≥ < 5.3.1, < 5.3.1: Affected (custom)
No fix published
wordpress Debian:12
- Affected ranges
- ECOSYSTEM: < 5.3.2+dfsg1-1
Update to 5.3.2+dfsg1-1
wordpress Debian:13
- Affected ranges
- ECOSYSTEM: < 5.3.2+dfsg1-1
Update to 5.3.2+dfsg1-1
wordpress Debian:14
- Affected ranges
- ECOSYSTEM: < 5.3.2+dfsg1-1
Update to 5.3.2+dfsg1-1
wordpress Ubuntu:16.04:LTS
- Versions
- 4.3+dfsg-1
- 4.3.1+dfsg-1
- 4.4+dfsg-1
- 4.4.1+dfsg-1
- 4.4.2+dfsg-1
- 4.4.2+dfsg-1ubuntu1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
wordpress Ubuntu:18.04:LTS
- Versions
- 4.8.2+dfsg-2
- 4.8.3+dfsg-1
- 4.9.1+dfsg-1
- 4.9.2+dfsg-1
- 4.9.4+dfsg-1
- 4.9.5+dfsg1-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
Original sources
- https://wpvulndb.com/vulnerabilities/9976
- https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/
- https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-pg4x-64rh-3c9v
- https://hackerone.com/reports/731301
- https://seclists.org/bugtraq/2020/Jan/8
- https://www.debian.org/security/2020/dsa-4599
- https://www.debian.org/security/2020/dsa-4677
- https://nvd.nist.gov/vuln/detail/CVE-2019-16781